Installation for the preparation of a solution of calcium hydrogen carbonate suitable for the remineralization of water

Abstract

The invention relates to an installation for the preparation of a solution of calcium hydrogen carbonate and the use of such an installation for the continuous preparation of a solution of calcium hydrogen carbonate as well as the use of such an installation for the remineralization of water.

1 . Installation for the preparation of a solution of calcium hydrogen carbonate, the installation comprising in circular communication
 a) at least one dosing unit provided with at least one inlet and at least one outlet,   b) a multiple batch system comprising
 x) a master batch line provided with at least one inlet and at least one outlet, the master batch line comprising in circular communication
 i) at least one gas dosing inlet, 
 ii) at least one mixing unit provided with at least one inlet and at least one outlet, and 
 iii) at least one tank provided with at least one inlet and at least one outlet, and 
 
 xi) at least one slave batch line provided with at least one inlet and at least one outlet, the at least one slave batch line comprising in circular communication
 i) at least one gas dosing inlet, 
 ii) at least one mixing unit provided with at least one inlet and at least one outlet, and 
 iii) at least one tank provided with at least one inlet and at least one outlet, and 
 
   c) at least one membrane filtration unit provided with at least one inlet and at least one outlet.   
     
     
         2 . Installation according to  claim 1 , wherein the at least one dosing unit is connected to a water supply and a storage container for solid material. 
     
     
         3 . Installation according to  claim 1 , wherein at least one outlet of the at least one dosing unit is connected to at least one inlet of the master batch line and at least one outlet of the at least one dosing unit is connected to at least one inlet of the at least one slave batch line. 
     
     
         4 . Installation according to  claim 1 , wherein at least one outlet of the master batch line is connected to at least one inlet of the at least one membrane filtration unit and at least one outlet of the at least one slave batch line is connected to at least one inlet of the at least one membrane filtration unit. 
     
     
         5 . Installation according to  claim 1 , wherein at least one outlet of the at least one membrane filtration unit is connected to at least one inlet of the at least one dosing unit. 
     
     
         6 . Installation according to  claim 1 , wherein the installation comprises one membrane filtration unit. 
     
     
         7 . Installation according to  claim 6 , wherein at least one outlet of the master batch line and at least one outlet of the at least one slave batch line are independently connected to at least one inlet of the membrane filtration unit. 
     
     
         8 . Installation according to  claim 1 , wherein the installation comprises at least two membrane filtration units or the total number of membrane filtration units corresponds to the total number of master batch line and slave batch lines being part of the multiple batch system. 
     
     
         9 . Installation according to  claim 8 , wherein the master batch line and each of the at least one slave batch lines are independently connected to a different membrane filtration unit. 
     
     
         10 . Installation according to  claim 1 , wherein the at least one gas dosing inlet of the master batch line is connected to at least one inlet of the at least one mixing unit of the master batch line and/or the at least one gas dosing inlet of the at least one slave batch line is connected to at least one inlet of the at least one mixing unit of the at least one slave batch line. 
     
     
         11 . Installation according to  claim 1 , wherein at least one outlet of the at least one mixing unit of the master batch line is connected to at least one inlet of the at least one tank of the master batch line and/or at least one outlet of the at least one mixing unit of the at least one slave batch line is connected to at least one inlet of the at least one tank of the at least one slave batch line. 
     
     
         12 . Installation according to  claim 1 , wherein at least one outlet of the at least one tank of the master batch line is connected to the at least one gas dosing inlet of the master batch line and/or at least one outlet of the at least one tank of the at least one slave batch line is connected to at least one gas dosing inlet of the at least one slave batch line. 
     
     
         13 . Installation according to  claim 1 , wherein at least one outlet is located after the at least one mixing unit of the master batch line and at least one outlet is located after the at least one mixing unit of the at least one slave batch line. 
     
     
         14 . Installation according to  claim 13 , wherein the at least one outlet of the master batch line and the at least one outlet of the at least one slave batch line are independently connected to at least one inlet of the at least one membrane filtration unit. 
     
     
         15 . Use of an installation according to  claim 1  for the preparation of a solution of calcium hydrogen carbonate. 
     
     
         16 . Use of an installation according to  claim 1  for the remineralization of water. 
     
     
         17 . Use according to  claim 16 , wherein the water to be remineralized is selected from drinking water, recreation water such as water for swimming pools, industrial water for process applications, irrigation water, or water for aquifer or well recharge.